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Snowman Merkle Airdrop
Submissions
AI First Flight
Snowman Merkle Airdrop
AI First Flight #10
Beginner Friendly
Foundry
Solidity
NFT
EXP
AI First Flight
EXP
May 13th, 2026 → May 20th, 2026
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5 / 5
Submissions
Severity
Validity
Tags
Author
#1
Snowman::mintSnowman - Missing access control allows anyone to mint unlimited NFTs bypassing the staking mechanism
High
Valid
[H-01] Unrestricted NFT Min...
ciphermagic
#2
SnowmanAirdrop::claimSnowman - Typo in MESSAGE_TYPEHASH ("addres" vs "address") permanently invalidates all delegated claim signatures
High
Valid
[H-02] Unconsistent `MESSAG...
ciphermagic
#3
Snow::earnSnow - Global s_earnTimer shared across all users allows any buySnow() call to reset the weekly cooldown for every user, permanently blocking free claims
Low
Valid
[L-02] Global Timer Reset i...
ciphermagic
#4
SnowmanAirdrop::claimSnowman - s_hasClaimedSnowman flag is written but never read, allowing users to claim multiple times by re-acquiring the same Snow balance
Low
Valid
[L-01] Missing Claim Status...
ciphermagic
#5
SnowmanAirdrop::getMessageHash - Using live Snow balance in EIP-712 digest allows anyone to invalidate a receiver's delegated claim signature by transferring tokens to them
Medium
Valid
[M-01] DoS to a user trying...
ciphermagic
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